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Annotation of GNUtools/emacs/src/m-pyrmips.h, revision 1.1

1.1     ! root        1: /* m- file for pyramid with mips processor
        !             2:    Copyright (C) 1985, 1986 Free Software Foundation, Inc.
        !             3: 
        !             4: This file is part of GNU Emacs.
        !             5: 
        !             6: GNU Emacs is free software; you can redistribute it and/or modify
        !             7: it under the terms of the GNU General Public License as published by
        !             8: the Free Software Foundation; either version 1, or (at your option)
        !             9: any later version.
        !            10: 
        !            11: GNU Emacs is distributed in the hope that it will be useful,
        !            12: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            14: GNU General Public License for more details.
        !            15: 
        !            16: You should have received a copy of the GNU General Public License
        !            17: along with GNU Emacs; see the file COPYING.  If not, write to
        !            18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            19: 
        !            20: 
        !            21: /* The following three symbols give information on
        !            22:  the size of various data types.  */
        !            23: 
        !            24: #define SHORTBITS 16           /* Number of bits in a short */
        !            25: 
        !            26: #define INTBITS 32             /* Number of bits in an int */
        !            27: 
        !            28: #define LONGBITS 32            /* Number of bits in a long */
        !            29: 
        !            30: /* Define BIG_ENDIAN iff lowest-numbered byte in a word
        !            31:    is the most significant byte.  */
        !            32: 
        !            33: #define BIG_ENDIAN
        !            34: 
        !            35: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
        !            36:  * group of arguments and treat it as an array of the arguments.  */
        !            37: 
        !            38: 
        !            39: #define NO_ARG_ARRAY
        !            40: 
        !            41: #undef WORD_MACHINE
        !            42: 
        !            43: 
        !            44: /* XINT must explicitly sign extend */
        !            45: 
        !            46: #define EXPLICIT_SIGN_EXTEND
        !            47: 
        !            48: /* Define how to take a char and sign-extend into an int.
        !            49:    On machines where char is signed, this is a no-op.  */
        !            50: 
        !            51: 
        !            52: #define SIGN_EXTEND_CHAR(c) ((signed char)(c))
        !            53: 
        !            54: 
        !            55: /* pyramid preprocessor defines "pyr", however the following is clearer */
        !            56: #define pyramid
        !            57: 
        !            58: /* Don't use the union types any more.  They were used until Emacs 17.45.  */
        !            59: 
        !            60: #define NO_UNION_TYPE
        !            61: 
        !            62: /* Data type of load average, as read out of kmem.  */
        !            63: 
        !            64: #define LOAD_AVE_TYPE double           /* might be long TODO */
        !            65: 
        !            66: /* Convert that into an integer that is 100 for a load average of 1.0  */
        !            67: 
        !            68: #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
        !            69: 
        !            70: /* Don't use the ordinary -g for debugging in cc */
        !            71: /* Define CANNOT_DUMP on machines where unexec does not work.
        !            72:    Then the function dump-emacs will not be defined
        !            73:    and temacs will do (load "loadup") automatically unless told otherwise.  */
        !            74: 
        !            75: #define CANNOT_DUMP
        !            76: 
        !            77: /* Define C_ALLOCA if this machine does not support a true alloca
        !            78:    and the one written in C should be used instead.
        !            79:    Define HAVE_ALLOCA to say that the system provides a properly
        !            80:    working alloca function and it should be used.
        !            81:    Define neither one if an assembler-language alloca
        !            82:    in the file alloca.s should be used.  */
        !            83: 
        !            84: /* these are needed! */
        !            85: #define HAVE_ALLOCA
        !            86: #define SYSTEM_MALLOC
        !            87: 
        !            88: /*
        !            89:  * most of the rest is from m-mips.h
        !            90:  * but there was too much in that that we didn't want
        !            91:  */
        !            92: /* #define NO_REMAP /* don't adjust data_start */
        !            93: 
        !            94: 
        !            95: /* The standard definitions of these macros would work ok,
        !            96:    but these are faster because the constants are short.  */
        !            97: 
        !            98: #define XUINT(a) (((unsigned)(a) << INTBITS-VALBITS) >> INTBITS-VALBITS)
        !            99: 
        !           100: #define XSET(var, type, ptr) \
        !           101:    ((var) = ((int)(type) << VALBITS) + (((unsigned) (ptr) << INTBITS-VALBITS) >> INTBITS-VALBITS))
        !           102: 
        !           103: #define XSETINT(a, b)  XSET(a, XTYPE(a), b)
        !           104: #define XSETUINT(a, b) XSET(a, XTYPE(a), b)
        !           105: #define XSETPNTR(a, b) XSET(a, XTYPE(a), b)
        !           106: 
        !           107: #define XUNMARK(a) ((a) = (((unsigned)(a) << INTBITS-GCTYPEBITS-VALBITS) >> INTBITS-GCTYPEBITS-VALBITS))
        !           108: 
        !           109: /* Cancel certain parts of standard sysV support.  */
        !           110: #undef NONSYSTEM_DIR_LIBRARY
        !           111: #define SYSV_SYSTEM_DIR
        !           112: #undef static
        !           113: 
        !           114: /* Don't try to use SIGIO or FIONREAD even though they are defined.  */
        !           115: #undef SIGIO
        !           116: #define BROKEN_FIONREAD
        !           117: 
        !           118: /* Describe special kernel features.  */
        !           119: 
        !           120: #define HAVE_SYSVIPC
        !           121: 
        !           122: #define C_DEBUG_SWITCH -gx
        !           123: 

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